Marcus Lewis further elaborates and discusses some ideas outlined in "The Tolman-Eichenbaum Machine” paper in a continuation of Feb 15’s research meeting. He first gives a quick review of the grid cell module presented in the paper and outlines 2 extreme scenarios of the mechanisms within the module to address the team’s skepticism of a multi-scale grid cell readout.
“The Tolman-Eichenbaum Machine: Unifying Space and Relational Memory through Generalization in the Hippocampal Formation” by James Whittington, et al.: The Tolman-Eichenbaum Machine: Unifying Space and Relational Memory through Generalization in the Hippocampal Formation - ScienceDirect
Feb 15 research meeting: Marcus Lewis Reviews “The Tolman-Eichenbaum Machine” Paper - February 15, 2021 - YouTube